Live Performance Software for Mac

I’m looking for live performance software. Ableton Live does what I need done, but at $450, it seems like purchasing a new car to have a place to sit.

Ableton Live Feature List

Unlimited Audio and MIDI tracks

Unlimited Scenes

12 Send and Return tracks

256 mono audio input channels

256 mono audio output channels

Complex warp modes

Audio-slicing

Audio to MIDI

11GB of Sounds

5 Software Instruments

33 Audio Effects

8 MIDI Effects

What I Need

1 Audio Track

Unlimited Scenes

0 Send and Return tracks

0 mono audio input channels

2 mono audio output channels

Nope

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I need it to trigger mp3 files, loop them, and change the file based on MIDI input. Is there something out there for Mac that does this? I’ve spent far too many hours researching this already. Help me out, internet! kevin@incompetech.com

UPDATES!

Reaper Onlyhas actions assignable to 30 regions. So… no go there.

Logic I might be able to write my own from scratch using Scripter and the ESX24. I do not want to do this.